Learn more

SHIMADA RYUICHI

Overview
  • Total Patents
    33
  • GoodIP Patent Rank
    134,134
  • Filing trend
    ⇩ 33.0%
About

SHIMADA RYUICHI has a total of 33 patent applications. It decreased the IP activity by 33.0%. Its first patent ever was published in 1989. It filed its patents most often in Japan, United States and EPO (European Patent Office). Its main competitors in its focus markets environmental technology, electrical machinery and energy and control are NIPPON PUROTEKUTAA KK, QINGDAO LDC TECHNOLOGY INC and CHENGDU MOLO ELECTRIC CO LTD.

Patent filings in countries

World map showing SHIMADA RYUICHIs patent filings in countries
# Country Total Patents
#1 Japan 26
#2 United States 6
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing SHIMADA RYUICHIs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Shimada Ryuichi 33
#2 Suzuki Yasuchika 2
#3 Usuki Kazuhiro 2
#4 Koyanagi Akita 2
#5 Takaku Taku 2
#6 Sakota Mitsuyo 1
#7 Murayama Masamichi 1
#8 Nakamura Hirokazu 1
#9 Kato Shuhei 1
#10 Matsukawa Tatsuya 1

Latest patents

Publication Filing date Title
JP2020071933A Dc cutoff device
JP2019197718A Reed relay hybrid switch
JP2019092365A Pulsed DC power supply
JP2018195547A Opening/closing device for dc power system
JP2018125270A DC power system safety switchgear
JP2018032611A Ac current switchgear
JP2017191764A Silence arc current connection device
JP2017126544A Non-arc current switching device
JP2017059513A Device for restriking voltage control
JP2016126920A High voltage current circuit breaker
JP2016086460A Semiconductor AC switch
JP2015220871A Pulse magnetic field generating source
JP2015133883A capacitor bank
JP2015005710A Coil current control device for magnetic field generation
JP2014176287A Ac power controller
US2014152107A1 Photovoltaic power generation system
JP2008003858A Image system for architecture structure description
JP2005223867A Stepup pulse power supply using magnetic energy regeneration switch
JP2005057980A Power control of electric motor and generator using magnetic energy regenerative current switch
JP2004015043A Magnetic tap transformer